WO2022116884A1

WO2022116884A1 - Combined wind power generation device

Info

Publication number: WO2022116884A1
Application number: PCT/CN2021/132936
Authority: WO
Inventors: 覃建质
Original assignee: 覃建质
Priority date: 2020-12-02
Filing date: 2021-11-25
Publication date: 2022-06-09
Also published as: CN214196545U

Abstract

A combined wind power generation device. The combined wind power generation device is composed of a plurality of sets of wind energy collecting mechanisms connected in parallel and comprises a fixing frame (1), a blade mechanism (2), a first transmission shaft (3), a fixed base (4) and an electric motor (5), wherein the fixing frame (1) comprises support rods (6) and a fixing rod (7), the fixing rod (7) is fixed between the tops of the two support rods (6), a bearing (8) is fixed to the fixing rod (7), and the bearing (8) is connected to the top end of a rotating shaft (9) of the blade mechanism (2); the blade mechanism (2) comprises the rotating shaft (9) and a door sheet type blade (10), and the bottom end of the rotating shaft (9) is connected to the first transmission shaft (3) by means of a first quasi-steering gear (11); and the fixed base (4) is arranged on the ground, the first transmission shaft (11) is arranged in the fixed base (4) in a penetrating manner, and the tail end of the first transmission shaft (11) is connected to a rotor of the electric motor (5). The combined wind power generation device has the features of being simple in structure, convenient to mount, high in wind energy conversion rate, producing a large amount of power and high in terms of comprehensive benefits.

Description

A combined wind power generator

technical field

The utility model relates to the technical field of wind power generation equipment, in particular to a combined wind power generation device.

Background technique

Wind energy is a kind of clean energy and is loved by people, so there are all kinds of wind energy generation. But they all have various drawbacks. They can be classified into two categories: small and large, small ones have low power efficiency and little practicability, and large ones have high power, but are difficult to construct, difficult to manufacture, and have high investment costs, so the overall benefit is low. Therefore, there is a need for a high-power wind power generation device that is easy to install, has a high wind energy utilization rate, and is easy to maintain.

Utility model content

The purpose of the utility model is to provide a combined wind power generation device, which has the characteristics of easy installation, high wind energy conversion rate, high power and high comprehensive benefit.

To achieve the above object, the utility model provides the following technical solutions:

The utility model provides a combined wind power generation device, which comprises: a fixing frame for fixing and supporting a fan blade mechanism, a fan blade mechanism for collecting wind energy, a first transmission shaft for converting wind energy into mechanical energy, preventing transmission A fixed seat with an offset shaft and a motor that converts mechanical energy into electrical energy; the vertical and horizontal hinges between the fixed frames support each other and enhance the hurricane resistance. The fixed frame includes a support rod and a fixed rod, and the fixed rod is fixed on the top of the two support rods Between the fixed rods, a bearing is fixed, and the bearing is connected with the top of the rotating shaft of the fan blade mechanism; the fan blade mechanism includes a rotating shaft and a door-plate fan blade, and the door-plate fan blade can receive wind energy in all directions horizontally and vertically, improving the wind energy receiving rate; the rotating shaft The bottom end of the shaft is connected with the first transmission shaft through the first quasi-steering gear to convert the wind energy into mechanical energy; the fixed seat is set on the ground, the first transmission shaft is penetrated in the fixed seat, and the end of the first transmission shaft is connected with the rotor of the motor to convert mechanical energy into electrical energy.

Further, the door-plate fan blade of the fan blade mechanism is arranged on the outer wall of the rotating shaft in a cross shape, and the cross shape arrangement increases the receiving area of wind energy, and the structure is more solid, which can decompose the overflowing wind force.

Further, a support frame is provided outside the rotating shaft of the fan blade mechanism. The support frame is hinged with the side of the door-plate fan blade through a hinge. The height of the door-plate fan blade is higher than the height of the support frame. The wind blade can receive a wider range of wind, which is conducive to the conversion of wind energy when the wind is weak.

Further, the fixed frame and the fan blade mechanism are provided with multiple, which are connected with the first transmission shaft through the second transmission shaft and the second quasi-steering gear, and use multiple groups of parallel combined wind energy collection mechanisms, when the wind is weak. , by receiving and gathering wind power at multiple different locations to improve the conversion of wind power.

Further, a braking device is also provided between the end of the first transmission shaft and the rotor of the motor for timely braking in an emergency.

To sum up, the beneficial effects of the present utility model are:

A bearing is fixed by designing the fixing rod of the fixing frame, and the bearing is connected with the top of the rotating shaft of the fan blade mechanism; the fan blade mechanism includes a rotating shaft and a door-plate fan blade; the bottom end of the rotating shaft is connected with the first transmission shaft through the first quasi-steering gear, which connects The wind energy is converted into mechanical energy; the fixed seat is arranged on the ground, the first transmission shaft is penetrated in the fixed seat, and the end of the first transmission shaft is connected with the rotor of the motor to realize the conversion of mechanical energy into electrical energy, so that the device has a simple structure and is easy to disassemble and assemble At the same time, the door-plate fan blade can receive wind energy in all directions horizontally and vertically, improve the wind energy receiving rate, thereby improving the conversion rate, and realizing the purpose of high power and high comprehensive benefit.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic structural diagram of a combined wind power generation device of the present invention;

2 is a schematic diagram of the positional relationship between a support frame and a door-plate fan blade in the fan blade mechanism of the present utility model;

In the figure, 1, the fixed frame; 2, the fan blade mechanism; 3, the first transmission shaft; 4, the fixed seat; 5, the motor; 6, the support rod; 7, the fixed rod; 8, the bearing; 9, the rotating shaft; 10, 11. The first quasi-steering gear; 12, the support frame; 13, the hinged piece; 14, the second transmission shaft; 15, the second quasi-steering gear.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention more clear, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present invention.

1, a combined wind power generation device provided by the present invention includes: a fixing frame 1 for fixing and supporting a fan blade mechanism 2, a fan blade mechanism 2 for collecting wind energy, and converting wind energy into The first transmission shaft 3 of mechanical energy, the fixed seat 4 to prevent the transmission shaft from shifting, and the motor 5 to convert the mechanical energy into electrical energy; the fixed frame 1 includes a support rod 6 and a fixed rod 7, and the fixed rod 7 is fixed on the two support rods 6 Between the tops of the fixed rods 7, a bearing 8 is fixed, and the bearing 8 is connected with the top end of the rotating shaft 9 of the fan blade mechanism 2; The bottom end of the rotating shaft 9 is connected with the first transmission shaft 3 through the first quasi-steering gear 11 to convert the wind energy into mechanical energy; the fixed seat 4 is arranged on the ground, and the first transmission shaft 3 is passed through In the fixed seat 4, the end of the first transmission shaft 3 is connected with the rotor of the motor 5 to realize the conversion of mechanical energy into electrical energy. Compared with the traditional high-tower type power generation device, the utility model has lower power generation combination difficulty and material requirements, and reduces the cost At the same time, the power is large and the comprehensive benefit is high.

Preferably, the door-type fan blades 10 of the fan blade mechanism 2 are arranged on the outer wall of the rotating shaft 9 in a cross shape. The cross-shaped setting increases the receiving area of wind energy, and the structure is firmer and can decompose the overflowing wind power.

With reference to FIG. 2 , preferably, the rotating shaft 9 of the fan blade mechanism 2 is provided with a support frame 12 , and the support frame 12 is hinged with the side of the door-plate fan blade 10 through the hinge 13 . The height of the door-plate fan blade 10 is Higher than the height of the support frame 12, the hinged structure makes the door-plate fan blade 10 form a swastika shape, which has a wider area for receiving wind, which is beneficial to the conversion of wind energy when the wind is weak.

Preferably, there are a plurality of the fixed frame 1 and the fan blade mechanism 2, which are connected with the first transmission shaft 3 through the second transmission shaft 14 and the second quasi-steering gear 15, and adopt multiple sets of wind energy collection mechanisms combined in parallel, To achieve extra-large power generation, when the wind is weak, by receiving and gathering the wind at multiple different locations, the conversion of the wind is improved, and at the same time, it continues to work as a backup when one of the groups fails.

Preferably, a braking device 16 is further provided between the end of the first transmission shaft 3 and the rotor of the motor 5 for timely braking in case of emergency, such as overload or failure, to improve the safety of the power generation process.

Example 1

As shown in FIG. 1 , the fixing frame 1 is installed on the ground in the wind area, the fan blade mechanism 2 is set at the position of the bearing 8 of the fixing frame 1 , and the bottom end of the fan blade mechanism 2 is installed with the first quasi-steering gear 11 and the first transmission shaft. 3 is connected, the first transmission shaft 3 is arranged in the fixed seat 4 installed on the ground, the rotating fan blade mechanism 2 drives the first transmission shaft 3 to rotate smoothly, and realizes the conversion of wind energy into mechanical energy. The rotor is connected to realize the conversion of mechanical energy and electrical energy, and the door-plate fan blade 10 can receive wind energy in various directions in the horizontal and vertical directions, so as to improve the receiving rate of wind energy, thereby improving the conversion rate.

The door-plate fan 10 is arranged on the outer wall of the rotating shaft 9 in a cross shape, which improves the capture of the wind source by the device, increases the contact area with the wind source even in the case of light wind, and realizes the conversion of wind energy.

Example 2

As shown in FIG. 2 , since all components of the device are arranged near the ground, compared with the traditional towering fan-type wind turbine 5 , it is more convenient for daily maintenance and repair. The hinge 13 is hinged with the side of the door-plate fan 10, the height of the door-plate fan 10 is higher than the height of the support frame 12, and the hinged structure makes the door-plate fan 10 form a swastika. A door-plate fan blade is blown by the frontal wind and forms a closure with the support frame 12 to generate thrust, and the second door-plate fan blade corresponding to the other side of the support frame 12 is hinged perpendicular to the support frame 12 to form an opening to realize wind release. The wind resistance is reduced, and as the rotating shaft 9 rotates and circulates continuously, mechanical energy is generated, and then the end of the first transmission shaft 3 is connected with the rotor of the motor 5 to realize the conversion of mechanical energy and electric energy. Even in the case of light wind, it can increase the contact area with the wind source and realize the conversion of wind energy.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Replacement should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

A combined wind power generation device, characterized in that it comprises: a fixing frame (1), a fan blade mechanism (2), a first transmission shaft (3), a fixing seat (4) and a motor (5); a fixing frame ( 1) Including a support rod (6) and a fixed rod (7), the fixed rod (7) is fixed between the tops of the two support rods (6), the fixed rod (7) is fixed with a bearing (8), and the bearing (8) is connected with the top end of the rotating shaft (9) of the fan blade mechanism (2); the fan blade mechanism (2) includes a rotating shaft (9) and a door-plate fan blade (10), and the bottom end of the rotating shaft (9) passes through the first quasi-steering gear (11). ) is connected with the first transmission shaft (3), the fixed seat (4) is arranged on the ground, the first transmission shaft (3) is passed through the fixed seat (4), and the end of the first transmission shaft (3) is connected to the motor (5). ) of the rotor connection.
The combined wind power generation device according to claim 1, characterized in that the door-plate fan blades (10) of the fan blade mechanism (2) are arranged on the outer wall of the rotating shaft (9) in a cross shape.
A combined wind power generation device according to claim 1, characterized in that a support frame (12) is provided outside the rotating shaft (9) of the fan blade mechanism (2), and the support frame (12) passes through a hinge ( 13) It is hinged with the side edge of the door-plate fan blade (10), and the height of the door-plate fan blade (10) is higher than the height of the support frame (12).
A combined wind power generation device according to claim 1, characterized in that, a plurality of the fixed frame (1) and the fan blade mechanism (2) are provided, which pass through the second transmission shaft (14) and the second The quasi-steering gear (15) is connected with the first transmission shaft (3).
A combined wind power generation device according to claim 1, characterized in that a braking device (16) is further provided between the end of the first transmission shaft (3) and the rotor of the motor (5).